12. Find the nature of the roots of the quadratic equation 2x2 - 15x + 1 = 0
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2x²-15x+1=0
compare equation with ax²+bx+c=0
a=2, b=-15, c=1
b²-4ac=(-15)²-4×2×1
=225-8
=217
b²-4ac>0
therefore the roots of quadratic equation is real and unequal.
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